Leon Alexis. (1999). Fundamentals Of Information Technology (2.). Karis Offset Printers.
Chicago Style aipamenaLeon Alexis. Fundamentals Of Information Technology. 2. Cheenai: Karis Offset Printers, 1999.
MLA aipamenaLeon Alexis. Fundamentals Of Information Technology. 2. Karis Offset Printers, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.